Objective To determine the association of high IL-1β levels with the migration of lung cancer H460 cells with acquired resistance to tumor necrosis factor-related apoptosis-inducing ligand (TRAIL). Methods The resistant cells were referred to as H460-TR in this study. IL-1β levels in H460-TR cells and the parent H460 (H460-WT) cells were measured through RT-PCR, Western blot, and enzyme-linked immunosorbent assay. The migration capacity of the cells was determined using the migration transwell assay. The extent of migration and the activation of phosphatidyl-inositol 3-kinase/serine-threonine kinase (PI3K/Akt) were detected in H460 cells treated with or without human recombinant IL-1 or IL-1R antagonist. Results Migration capacity of H460-TR cells in the conditioned medium and its IL-1β level were higher than those of H460-WT cells . The migration capacity and Akt activation were consistent with the IL-1β level in lung cancer H460 cells. Conclusions Significantly elevated IL-1β expression in cancer cells is associated with the high migration capacity of H460-TR cells, and Akt activation. Akt signaling as the downstream pathway of IL-1β and IL-1βmay function as a therapeutic target for metastatic lung cancer.

Objective:It discussed the decision-making mechanism of medical market on supply side and how the hierarchical medical system help inhibiting the excessive medical behavior.Methods:Establishing medical behavior choice model based on the perspective of supply side and hierachy diagnosis Results and Conclusion:In the case of incomplete information and rigid demand hypothesis,the patient would accept all the supplies doctor offered and there was structural unbalance in both general medical market and advanced medical market which meant the excessive medical treatment existed.Under the hierarchical medical system,distinguishing by primary medical institution,both generalmedical market and advanced medical market reached equilibrium which improved the social resource allocation efficiency and the patients' welfare at the same time.

Animals ; Female ; Guinea Pigs ; Kidney ; microbiology ; pathology ; Leptospira interrogans ; isolation & purification ; pathogenicity ; Leptospirosis ; microbiology ; pathology ; Liver ; microbiology ; pathology ; Lung ; microbiology ; pathology ; Male ; Time Factors

Sixty healthy Sprague-Dawley male rats were used and divided randomly into control group (group C), cadmium loading group with medium dose (group M) and cadmium loading group with high dose (group H). Groups C, M and H were orally dosed daily with 0, 5 and 10 mg/kg of cadmium for over 6 weeks. Effects of cadmium loading on testis and endocrine function of reproduction in male rats were studied. The results showed that the zinc content decreased slightly in testis and plasma, and the cadmium concentration increased significantly in the testis of groups M and H; while the plasma levels of cadmium and zinc had no obvious difference as compared with those of group C; daily sperm production in the testis of group H decreased markedly during week 3 of cadmium loading, and was significantly lower in groups M and H as compared to that in group C during week 6; alkaline phosphatase (ALP) in group H and lactate dehydrogenase-X (LDH-X) in groups M and H were markedly lower compared to those of group C; plasma testosterone (T) level in both cadmium loading groups decreased and was low or significantly lower than that in group C; follicle stimulating hormone (FSH) and luteinizing hormone (LH) levels had no apparent difference between the three groups. It is suggested that the gradual accumulation of cadmium in testis tissue induced by chronic cadmium loading results in changes in some enzyme activity, a decrease in sperm production, and defect of endocrine function activity in the testis.
Alkaline Phosphatase ; drug effects ; Animals ; Cadmium ; blood ; Cadmium Chloride ; administration & dosage ; toxicity ; Follicle Stimulating Hormone ; blood ; Isoenzymes ; drug effects ; L-Lactate Dehydrogenase ; drug effects ; Luteinizing Hormone ; blood ; Male ; Random Allocation ; Rats ; Rats, Sprague-Dawley ; Reproduction ; drug effects ; Spermatogenesis ; drug effects ; Testis ; enzymology ; pathology ; Testosterone ; blood

In order to study the value of sequential and quantitative analysis of chimerism in determination of optional time of donor lymphocyte infusion (DLI) and prediction of efficacy of DLI, six patients with leukemias who relapsed or failed of engraftment were treated with DLI. Serial and quantitative analyses of donor chimerism (DC) both prior to and following DLI were performed by multiplex PCR amplification of STR markers (STR-PCR) and capillary electrophoresis with fluorescence detection. The results showed that at the time of relapse or graft rejection, STR-PCR indicated the decreasing donor chimerism in all six patients, at levels ranging from 27.3% to 85.7%. The declining value of DC (<90%) was detected in four patients at 26 days before relapse or graft rejection diagnosed clinically. Therefore the decrease of value of DC can be identified the high risk of relapse or graft failure and can be used to guide DLI implementation at early stage. In this study the clinical response were seen in two patients, the value of DC in these patients increased with convertion to a predominant donor profile (>90%) or converted to stable FDC shortly after DLI, while in the patients without clinical response, the level of DC decreased persistently or declined after transient increase. Three patients without response received second DLI. It is concluded that the monitoring of chimerism is proved to be a valuable to determine the optional time point of DLI and to early evaluate the efficacy of DLI. Furthermore, it can present a rational basis for treatment of intensification in the patients who did not respond to first-line DLI treatment.
Adolescent ; Adult ; Hematopoietic Stem Cell Transplantation ; Humans ; Lymphocyte Transfusion ; Recurrence ; Tissue Donors ; Transplantation Chimera

The biological characters of Sindbis virus strain of Yunnan(YN87448 strain) were studied by the test of the filtration, acid-resistant, ether-resistant, CPE, susceptibility of animal, HA, plague, determination of virus titres, and the cross-HI, cross-IFAT and PRNT as well.The results indicated that YN87448 strain belongs to Sindbis virus, Alphavirus, Togaviridae. YN87448 strain virus was plaque purified(PYN87448). The biological character of PYN87448 strain virus was studied too. PYN87448 strain virus will be used in the molecule biological test.

OBJECTIVETo evaluate the etiological significance of human papillomavirus (HPV) in cervical cancer and the clinical utility of HPV detection in cervical cancer screening.

METHODSHybrid capture II test was used to detect 13 high-risk HPV genotypes from cervical scrapes of 2636 women. Cervical cytology was also evaluated in 454 of them by ThinPrep Pap smear.

RESULTSAmong 2636 women, 699 (26.5%) were found to be high-risk HPV positive. The highest infection rate (59.4%) was found in the age group of < or = 20 years and the lowest infection rate in the age group of 41 approximately 50 years (21.0%). Significant differences in HPV infection rate were found between different cities in Guangdong province, such as those between Xinhui and Guangzhou, Xinhui and Shenzhen, Xinhui and Dongguan (P < 0.01). Fifteen out of 16 women (93.8%) with cervical carcinoma were infected with high-risk HPV versus 24 out of 125 women (19.2%) attending routine cervical cancer screening (P < 0.001). The HPV infection rate was 30.8% (142 out of 461) in women with cervical erosion, which was significantly lower than that in patients with cervical carcinoma (P < 0.001). HPV DNA were detected in 100% (2/2) of squamous cell carcinoma (SCC), 100% (12/12) high grade squamous intraepithelial lesion (HSIL), 88.9% (16/18) of low grade squamous intraepithelial lesion (LSIL) and 37.8% (28/74) of atypical squamous cells (ASC).

CONCLUSIONHigh-risk HPV genotypes are the major causes of cervical cancers and HPV detection is a reliable adjuvant tool for cervical cancer screening.

Carcinoma, Squamous Cell ; epidemiology ; pathology ; virology ; Cervical Intraepithelial Neoplasia ; epidemiology ; pathology ; virology ; Cervix Uteri ; pathology ; virology ; China ; epidemiology ; Female ; Human papillomavirus 16 ; isolation & purification ; Human papillomavirus 18 ; isolation & purification ; Humans ; Mass Screening ; Papanicolaou Test ; Papillomaviridae ; isolation & purification ; Papillomavirus Infections ; epidemiology ; pathology ; Risk Factors ; Uterine Cervical Neoplasms ; epidemiology ; pathology ; virology ; Vaginal Smears

Objective To study the application value of dynamic monitoring of blood pressure in the prevention and treatment of elderly hypertension. Methods 519 hypertensive patients from December 2017 to December 2018 were monitored with ambulatory blood pressure monitoring, and were divided into the elderly group (≥60 years old, 264 cases) and the control group (<60 years old, 255 cases). The results of ambulatory blood pressure monitoring in two groups were analyzed, which inclued the circadian rhythm of blood pressure, blood pressure, pulse pressure, coefficient of variation of blood pressure, blood pressure load value, average heart rate and morning blood pressure surge. Results The incidence of abnormal circadian rhythm of ambulatory blood pressure in the elderly group was 76.5%. Compared with the control group, there were differences in the indexes of diastolic blood pressure (DBP), diastolic blood pressure load value (DBPLV), pulse pressure (PP), 24 h average heart rate (24 hAHR), systolic blood pressure coefficient of variation (SBPCV), 24 h diastolic blood pressure coefficient of variation (24 h DBPCV) and morning diastolic blood pressure surge (MDBPS) between the two groups(all P<0.05). There were differences in 24 h systolic blood pressure (24hSBP), night systolic blood pressure (nSBP), night diastolic blood pressure (nDBP), night pulse pressure (nPP), day systolic blood pressure load value (dSBPLV), ninght systolic blood pressure load value (nSBPLV), 24 h SBPCV, 24 h dDBPCV and other indicators among different blood pressure types in the elderly group (all P<0.05). Conclusion Ambulatory blood pressure monitoring indicators have important guiding value for the prevention and treatment of elderly hypertension.

To evaluate the roles of 8 short tandem repeats (STR) loci as STR panel in quantitative analysis of chimerism following transplantation, the primers were synthesized and marked with different dyes for D3S3045, D4S2366, D4S2639, D5S818, D13S317, D18S1002, D20S481 and D22S689. The blood samples of 15 cases received allogeneic stem cell transplantation were collected before and after transplantation, then DNA was extracted and amplified with these primers, and was further analysed under ABI Genetic Analyser 3100 to select suitable informative STR locus. Donor/recipient dilution series were prepared to get standard curves in selected loci, the DNAs extracted at different days after transplantation were used to quantitatively analyze the chimerism in patients according to the values of peak area or peak height of fluorescent signals. The standard curves can be used to calculate the chimerism by plotting the respective R/D quotient value against the percentage of recipient DNA. The results indicated that the calculated chimerism was in concordance with the donor/recipient dilution. The STR panel succeeded in identifying at least one informative marker and quantitative monitoring the chimerism after HSCT in 15 donor-recipient pairs and a relapsed case was diagnosed. It is concluded that the STR panel and its detection method can accurately and quantitatively monitor the chimerism after allogeneic HSCT, which is more economical and flexible than using commercial kits.
DNA ; genetics ; DNA Primers ; Hematopoietic Stem Cell Transplantation ; Humans ; Microsatellite Repeats ; Transplantation Chimera ; genetics

OBJECTIVETo explore the effect of perioperative nutrition support on nutritional condition and complications of the patients with postoperative pancreatic head cancer.

METHODSThirty four patients received perioperative nutrition support, including enteral nutrition and parenteral nutrition (treatment group). Forty eight patients received routine postoperative parenteral nutrition (control group). According to the operative method, these two groups were further divided into two sub-groups: (1) pancreaticoduodenectomy (PD) subgroup, including 13 cases from treatment group, and 24 cases from control group; (2) palliative operation subgroup, including 21 cases from treatment group, and 24 cases from control group. Body weight, total protein (TP), serum albumin (ALB), and the complications after operation were compared.

RESULTSThe concentrations of ALB and TP in the treatment group were significantly higher than those in the control group (P< 0.05). Body weight and TP of the patients received PD in the treatment group were significantly better than those of the control group (P < 0.05).

CONCLUSIONPerioperative nutrition support can improve postoperative nutritional condition and reduce the postoperative complications in patients with pancreatic head cancer.

Adult ; Aged ; Combined Modality Therapy ; Enteral Nutrition ; Female ; Humans ; Male ; Middle Aged ; Nutritional Support ; methods ; Pancreatic Neoplasms ; surgery ; therapy ; Pancreaticoduodenectomy ; Parenteral Nutrition ; Postoperative Complications ; prevention & control